In a family of five children, what is the probability of having a. four girls and one boy? Show solution and explain. b. Of having at least one boy? Show solution and explain. What is the explanation for some families with children being composed entirely of boys

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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In a family of five children, what is the probability of having

a. four girls and one boy? Show solution and explain.

b. Of having at least one boy? Show solution and explain.

What is the explanation for some families with children being composed entirely of boys or entirely of girls? Answer in maximum of 2 sentences.

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